CA1027489A - Speaker enclosure with flared duct - Google Patents
Speaker enclosure with flared ductInfo
- Publication number
- CA1027489A CA1027489A CA221,733A CA221733A CA1027489A CA 1027489 A CA1027489 A CA 1027489A CA 221733 A CA221733 A CA 221733A CA 1027489 A CA1027489 A CA 1027489A
- Authority
- CA
- Canada
- Prior art keywords
- speaker enclosure
- flared duct
- flared
- duct
- enclosure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA221,733A CA1027489A (en) | 1975-03-10 | 1975-03-10 | Speaker enclosure with flared duct |
FR7508335A FR2305086A1 (fr) | 1975-03-10 | 1975-03-18 | Enceinte acoustique |
GB11973/75A GB1508014A (en) | 1975-03-10 | 1975-03-21 | Loudspeaker cabinet |
DE19752513217 DE2513217A1 (de) | 1975-03-10 | 1975-03-25 | Lautsprecher |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA221,733A CA1027489A (en) | 1975-03-10 | 1975-03-10 | Speaker enclosure with flared duct |
FR7508335A FR2305086A1 (fr) | 1975-03-10 | 1975-03-18 | Enceinte acoustique |
GB11973/75A GB1508014A (en) | 1975-03-10 | 1975-03-21 | Loudspeaker cabinet |
DE19752513217 DE2513217A1 (de) | 1975-03-10 | 1975-03-25 | Lautsprecher |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1027489A true CA1027489A (en) | 1978-03-07 |
Family
ID=27425826
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA221,733A Expired CA1027489A (en) | 1975-03-10 | 1975-03-10 | Speaker enclosure with flared duct |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1027489A (de) |
DE (1) | DE2513217A1 (de) |
FR (1) | FR2305086A1 (de) |
GB (1) | GB1508014A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0008772B1 (de) * | 1978-08-30 | 1983-02-16 | PROFI HIFI Vertriebsgesellschaft mbH | Lautsprechergehäuse |
US5022488A (en) * | 1989-09-18 | 1991-06-11 | Harman International Industries, Incorporated | Transducer enclosure |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB484704A (en) * | 1936-10-07 | 1938-05-09 | Robert Rodger Glen | Improvements in or relating to loudspeakers and the like |
US2871971A (en) * | 1954-04-28 | 1959-02-03 | Robert J Beecroft | Sound-propagating device |
US2812033A (en) * | 1954-06-04 | 1957-11-05 | Young James Peter | Acoustic baffle |
US2872516A (en) * | 1955-03-25 | 1959-02-03 | James D Hoffman | Speaker assembly |
US3074503A (en) * | 1961-01-19 | 1963-01-22 | Jr Barry Cool | Loud speaker enclosures |
US3142353A (en) * | 1962-10-25 | 1964-07-28 | Carmine V Todisco | Speaker enclosure |
DE1291790B (de) * | 1966-12-24 | 1969-04-03 | Knoedler Gottlob | Lautsprecherbox mit einem oder mehreren Lautsprechern |
-
1975
- 1975-03-10 CA CA221,733A patent/CA1027489A/en not_active Expired
- 1975-03-18 FR FR7508335A patent/FR2305086A1/fr active Granted
- 1975-03-21 GB GB11973/75A patent/GB1508014A/en not_active Expired
- 1975-03-25 DE DE19752513217 patent/DE2513217A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2305086A1 (fr) | 1976-10-15 |
GB1508014A (en) | 1978-04-19 |
DE2513217A1 (de) | 1976-10-14 |
FR2305086B1 (de) | 1979-04-13 |
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